devel_wizard-2.x-dev/templates/spell/entity_type/content/add_form.php.twig

{%
  include '@devel_wizard/php/devel_wizard.php.file.header.php.twig'
  with {
    'namespace': content.namespace,
  }
%}

{%-
  include '@devel_wizard/php/devel_wizard.php.file.use_statements.php.twig'
  with {
    'useStatements': {
      'Drupal\\Component\\Utility\\Xss': '',
      'Drupal\\Core\\Entity\\ContentEntityForm': '',
      'Drupal\\Core\\Form\\FormStateInterface': '',
      'Drupal\\user\\EntityOwnerInterface': '',
    },
  }
%}

class AddForm extends ContentEntityForm {

  /**
   * {@inheritdoc}
   *
   * @phpstan-param array<string, mixed> $form
   *
   * @return array<string, mixed>
   */
  public function form(array $form, FormStateInterface $form_state): array {
    $entityType = $this->entity->getEntityType();
    $config = $this->getConfig();

    $form = parent::form($form, $form_state);

    if (!empty($config['help'])) {
      $form['help'] = [
        '#markup' => $config['help'],
        '#allowed_tags' => Xss::getAdminTagList(),
        '#weight' => -99,
        '#theme_wrappers' => [
          'container',
        ],
        '#attributes' => [
          'class' => [
            'help-wrapper',
          ],
        ],
      ];
    }

    if ($this->entity instanceof EntityOwnerInterface) {
      $form['author'] = [
        '#type' => 'details',
        '#title' => $this->t('Authoring information'),
        '#group' => 'advanced',
        '#weight' => 90,
        '#optional' => TRUE,
      ];

      $keyOwner = $entityType->getKey('owner');
      if (isset($form[$keyOwner])) {
        $form[$keyOwner]['#group'] = 'author';
      }

      if (isset($form['created'])) {
        $form['created']['#group'] = 'author';
      }
    }

    return $form;
  }

  /**
   * @return array<string, mixed>
   *
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  protected function getConfig(): array {
    $bundleEntityTypeId = $this->entity->getEntityType()->getBundleEntityType();

    if ($bundleEntityTypeId) {
      // @todo What if the $bundleEntityTypeId does not exists?
      /* @noinspection PhpUnhandledExceptionInspection */
      return $this
        ->entityTypeManager
        ->getStorage($this->entity->getEntityType()->getBundleEntityType())
        ->load($this->entity->bundle())
        ->toArray();
    }

    $configName = "{{ module.machineName }}.{$this->entity->getEntityTypeId()}.settings";

    return $this
      ->configFactory()
      ->get($configName)
      ->get();
  }

  /**
   * {@inheritdoc}
   *
   * @phpstan-param array<string, mixed> $form
   *
   * @throws \Drupal\Core\Entity\EntityMalformedException
   */
  public function save(array $form, FormStateInterface $form_state): int {
    $result = parent::save($form, $form_state);
    $this->saveSetMessage();

    $form_state->setRedirectUrl($this->entity->toUrl('canonical'));

    return $result;
  }

  protected function saveSetMessage(): static {
    $args = [
      '%label' => $this->entity->label(),
      '@type' => $this->entity->getEntityType()->getLabel(),
    ];

    $this->messenger()->addStatus($this->t('"%label" @type has been created', $args));

    return $this;
  }

}